WTB Verdict Tire - 29 x 2.5 TCS Tubeless Folding BLK Tough/High Grip TriTec E25WTB Verdict Tire 29 x 2. 5 TCS Tubeless Folding Black Tough High Grip TriTec E25. Verdict is the do it all spike designed to handle loose technical trails. Its toothy knobs dig into soft terrain and grapple through rocks and roots. The Verdict tread pattern excels in loosest rowdiest conditions where relentless traction takes priority over rolling efficiency Abundant open space between all knobs allows the tread pattern to dig through the driest days